NOTES: An "administrative per se law" allows a state's driver
licensing agency to either suspend or revoke a driver's license based on a specific
alcohol (or drug) concentration or on some other criterion related to alcohol
or drug use and driving. Such action is independent of any licensing action related
to a DWI criminal offense. The term "illegal per se" refers to state
laws that make it a criminal offense to operate a motor vehicle at or above a
specified alcohol (or drug) concentration in the blood, breath, or urine. In those
columns showing mandatory sanctions, "nms" does not mean that a state
does not have a sanction. It only means that the state does not have a mandatory
sanction for that offense or violation.